APA (7th ed.) Citation

National Geographic Society (U.S.), Grosvenor, G. H., Du Bois, A. E., & Hubbard, G. (1944). United States armed forces insignia and decorations. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.), Gilbert Hovey Grosvenor, Arthur E. Du Bois, and Gerard Hubbard. United States Armed Forces Insignia and Decorations. Washington, D.C.: National Geographic Society, 1944.

MLA (9th ed.) Citation

National Geographic Society (U.S.), et al. United States Armed Forces Insignia and Decorations. National Geographic Society, 1944.